Jeff Rotman / Diver examining hooked Swordfish {Xiphias gladius} caught on longline fishing hook, underneath boat, Cocos Island, Costa Rica, Pacific Ocean, WHS

Juan Manuel Borrero / World's largest laurel forest, Garajonay NP, World Heritage Site, WHS, La Gomera island, Canary Islands

Ian Lockwood / Boat with dried grass by mangrove forest, Sundarbans WHS, Sundarbans, Bangladesh

Jeff Rotman / Scalloped Hammerhead shark finned alive and thrown overboard to drown {Sphyrna lewini} previously caught on longline fishing hook, Cocos Island, Costa Rica, Pacific Ocean, WHS

Jeff Rotman / Diver approaching Black marlin {Makaira indica} caught on longline fishing hook, Cocos Island, Costa Rica, Pacific Ocean, WHS Model released.

Jeff Rotman / Diver examining hooked Scalloped Hammerhead shark {Sphyrna lewini} caught on longline fishing hook, Cocos Island, Costa Rica, Pacific Ocean, WHS Model released.

Jeff Rotman / Diver examining hooked Scalloped Hammerhead shark {Sphyrna lewini} caught on longline fishing hook, Cocos Island, Costa Rica, Pacific Ocean, WHS Model released.

Jeff Rotman / Diver releases hooked Manta Ray {Manta birostris} caught on longline fishing hook, Cocos Island, Costa Rica, Pacific Ocean, WHS Model released.

Jeff Rotman / Diver inspecting Black Marlin {Makaira indica} caught on longline fishing hook, Cocos Island, Costa Rica, Pacific Ocean, WHS Model released.

Jeff Rotman / Hauling in Oceanic Blacktip shark caught on longline fishing hook {Carcharhinus limbatus} Cocos Island, Costa Rica, Pacific Ocean, WHS

Jeff Rotman / Live Oceanic Blacktip shark caught on longline fishing hook {Carcharhinus limbatus} Cocos Island, Costa Rica, Pacific Ocean, WHS